1261897940

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1\times {\mathrm{1487}}^1$

素因数の和:1928

約数の個数: 48

約数和(自身を含む): 2678828544

約数和(自身を除く): 1416930604

約数列:

[1, 2, 4, 5, 10, 20, 151, 281, 302, 562, 604, 755, 1124, 1405, 1487, 1510, 2810, 2974, 3020, 5620, 5948, 7435, 14870, 29740, 42431, 84862, 169724, 212155, 224537, 417847, 424310, 449074, 835694, 848620, 898148, 1122685, 1671388, 2089235, 2245370, 4178470, 4490740, 8356940, 63094897, 126189794, 252379588, 315474485, 630948970, 1261897940]

約数ペア:

[(1, 1261897940), (2, 630948970), (4, 315474485), (5, 252379588), (10, 126189794), (20, 63094897), (151, 8356940), (281, 4490740), (302, 4178470), (562, 2245370), (604, 2089235), (755, 1671388), (1124, 1122685), (1405, 898148), (1487, 848620), (1510, 835694), (2810, 449074), (2974, 424310), (3020, 417847), (5620, 224537), (5948, 212155), (7435, 169724), (14870, 84862), (29740, 42431)]